P&E Microcomputer Systems xPC56XXMB User Manual - page 23
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xPC56XXMB User Manual
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J16 – SCI TxD Enable
J17 – SCI RxD Enable
J27 – LIN1/SCI TxD selection
Controls whether the TxD pin on LIN1 or SCI is connected to the default I/O
pin on the processor. The exact pins used are dependent on the specific Mini-
Module plugged into the motherboard. Please refer to the Mini-Module
hardware manual for more details.
J28 – LIN1/SCI RxD selection
Jumper Setting
Effect
On (default)
Enables SCI transmit
Off
Disables SCI transmit
Jumper Setting
Effect
On (default)
Enables SCI receive
Off
Disables SCI receive
Jumper Setting
Effect
1+2
The LIN1 TxD pin is connected to a processor I/O pin.
2+3
The SCI TxD pin is connected to a processor I/O pin.
This should be set if enabling SCI.